Macrosomia is the condition of having an unusually large body. The body is in proportion, with the extremities and head also enlarged. Disorders that include this condition are gigantism and acromegaly.
Review Date 10/2/2019
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.